671126404 has 24 divisors (see below), whose sum is σ = 1283699648. Its totient is φ = 305125920.

The previous prime is 671126399. The next prime is 671126411. The reversal of 671126404 is 404621176.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92832 + ... + 99799.

Almost surely, 2^671126404 is an apocalyptic number.

It is an amenable number.

671126404 is a deficient number, since it is larger than the sum of its proper divisors (612573244).

671126404 is a wasteful number, since it uses less digits than its factorization.

671126404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192715 (or 192713 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 671126404 is about 25906.1074652291. The cubic root of 671126404 is about 875.5241067974.

The spelling of 671126404 in words is "six hundred seventy-one million, one hundred twenty-six thousand, four hundred four".